987157020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:460

約数の個数: 192

約数和(自身を含む): 3046450176

約数和(自身を除く): 2059293156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 71, 85, 86, 102, 129, 142, 170, 172, 204, 213, 215, 255, 258, 284, 317, 340, 355, 426, 430, 510, 516, 634, 645, 710, 731, 852, 860, 951, 1020, 1065, 1207, 1268, 1290, 1420, 1462, 1585, 1902, 2130, 2193, 2414, 2580, 2924, 3053, 3170, 3621, 3655, 3804, 4260, 4386, 4755, 4828, 5389, 6035, 6106, 6340, 7242, 7310, 8772, 9159, 9510, 10778, 10965, 12070, 12212, 13631, 14484, 14620, 15265, 16167, 18105, 18318, 19020, 21556, 21930, 22507, 24140, 26945, 27262, 30530, 32334, 36210, 36636, 40893, 43860, 45014, 45795, 51901, 53890, 54524, 61060, 64668, 67521, 68155, 72420, 80835, 81786, 90028, 91590, 103802, 107780, 112535, 135042, 136310, 155703, 161670, 163572, 183180, 204465, 207604, 225070, 231727, 259505, 270084, 272620, 311406, 323340, 337605, 382619, 408930, 450140, 463454, 519010, 622812, 675210, 695181, 765238, 778515, 817860, 926908, 967801, 1038020, 1147857, 1158635, 1350420, 1390362, 1530476, 1557030, 1913095, 1935602, 2295714, 2317270, 2780724, 2903403, 3114060, 3475905, 3826190, 3871204, 4591428, 4634540, 4839005, 5739285, 5806806, 6951810, 7652380, 9678010, 11478570, 11613612, 13903620, 14517015, 16452617, 19356020, 22957140, 29034030, 32905234, 49357851, 58068060, 65810468, 82263085, 98715702, 164526170, 197431404, 246789255, 329052340, 493578510, 987157020]

約数ペア:

[(1, 987157020), (2, 493578510), (3, 329052340), (4, 246789255), (5, 197431404), (6, 164526170), (10, 98715702), (12, 82263085), (15, 65810468), (17, 58068060), (20, 49357851), (30, 32905234), (34, 29034030), (43, 22957140), (51, 19356020), (60, 16452617), (68, 14517015), (71, 13903620), (85, 11613612), (86, 11478570), (102, 9678010), (129, 7652380), (142, 6951810), (170, 5806806), (172, 5739285), (204, 4839005), (213, 4634540), (215, 4591428), (255, 3871204), (258, 3826190), (284, 3475905), (317, 3114060), (340, 2903403), (355, 2780724), (426, 2317270), (430, 2295714), (510, 1935602), (516, 1913095), (634, 1557030), (645, 1530476), (710, 1390362), (731, 1350420), (852, 1158635), (860, 1147857), (951, 1038020), (1020, 967801), (1065, 926908), (1207, 817860), (1268, 778515), (1290, 765238), (1420, 695181), (1462, 675210), (1585, 622812), (1902, 519010), (2130, 463454), (2193, 450140), (2414, 408930), (2580, 382619), (2924, 337605), (3053, 323340), (3170, 311406), (3621, 272620), (3655, 270084), (3804, 259505), (4260, 231727), (4386, 225070), (4755, 207604), (4828, 204465), (5389, 183180), (6035, 163572), (6106, 161670), (6340, 155703), (7242, 136310), (7310, 135042), (8772, 112535), (9159, 107780), (9510, 103802), (10778, 91590), (10965, 90028), (12070, 81786), (12212, 80835), (13631, 72420), (14484, 68155), (14620, 67521), (15265, 64668), (16167, 61060), (18105, 54524), (18318, 53890), (19020, 51901), (21556, 45795), (21930, 45014), (22507, 43860), (24140, 40893), (26945, 36636), (27262, 36210), (30530, 32334)]